check if keywords already defined

3 years ago · 7aa980ef8d
parent 20dd00fad3
commit 7aa980ef8d
1 changed files with 7 additions and 5 deletions
--- a/include/cb.h
+++ b/include/cb.h
@ -8,11 +8,13 @@

 #define assertm(exp, msg) = assert(((void)msg, exp))

+#ifndef or
    #define or ||
    #define and &&
    #define xor ^
    #define compl ~
    #define not !
+#endif

 #endif